Writing instrument



FIG. 1 is a front elevation view of the writing instrument showing the new design;

FIG. 2 is a rear elevation view of the writing instrument as shown in FIG. 1;

FIG. 3 is a bottom view of the writing instrument shown in FIG. 1;

FIG. 4 is a top view of the writing instrument shown in FIG. 1;

FIG. 5 is a left side elevation view of the writing instrument shown in FIG. 1;

FIG. 6 is a right side elevation view of the writing instrument shown in FIG. 1; and,

FIG. 7 is a perspective view of the writing instrument corresponding to FIG. 1 and further showing the cap thereof longitudinally exploded to reveal a portion of the nib beneath. 

The ornamental design for a writing instrument, as shown and described. 